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Bay vs Harpers Ferry

Bay vs Harpers Ferry at a glance — displacement 16,160 vs 15,939 tons, length 176 vs 185 m, speed 18 vs 24 knots, crew 70 vs 421.

Specifications
Bay Harpers Ferry
Origin 🇬🇧 United Kingdom 🇺🇸 United States
Category Amphibious vessel Amphibious vessel
Type Dock landing ship Dock landing ship
Manufacturer Swan Hunter Avondale Shipyard
Year introduced 2006 1995
Number built 4 units 4 units
Estimated unit price $189 million $324 million
Displacement 16,160 tons 15,939 tons
Maximum speed 18.0 knots 24.0 knots
Range 8,000 nm at 15 knots NA
Length 176.6 m 185.8 m
Beam 26.4 m 26.0 m
Crew 70 421
Performance Radar Chart
Armament & Systems
Bay Harpers Ferry
Armament
  • 2 × DS30B Mk 1 30 mm guns
  • 2 × Phalanx CIWS
  • 4 × 7.62mm Mk44 Miniguns
  • 6 × 7.62mm L7 GPMG
  • 2 × 25 mm Mk 38 cannons
  • 2 × 20 mm Phalanx CIWS mounts
  • 2 × RIM-116 Rolling Airframe Missile (RAM) launchers
  • 6 × .50 caliber M2HB machine guns
Propulsion 2 × Wärtsilä 8L26 generators, 6,000 hp (4.5 MW); 2 × Wärtsilä 12V26 generators, 9,000 hp (6.7 MW); 2 × azimuthing thrusters; 1 × bow thruster Four Colt Pielstick, 16-cylinder diesels twin turbo, two shafts, 33,000 shp (25,000 kW)
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Frequently Asked Questions

Which has greater displacement, the Bay-class or Harpers Ferry-class?
The Bay-class has greater displacement at 16,160 tons compared to the Harpers Ferry-class's 15,939 tons.
Which is faster, the Bay-class or Harpers Ferry-class?
The Harpers Ferry-class is faster with a maximum speed of 24 knots compared to the Bay-class's 18 knots.
Which has longer range, the Bay-class or Harpers Ferry-class?
The Bay-class has a longer range at 8,000 nautical miles compared to the Harpers Ferry-class's 0 nautical miles.
Which is longer, the Bay-class or Harpers Ferry-class?
The Harpers Ferry-class is longer at 185.8 meters compared to the Bay-class's 176.6 meters.
How many crew members do the Bay-class and Harpers Ferry-class have?
The Harpers Ferry-class has a larger crew complement of 421 compared to the Bay-class's 70 crew members.
Which is more expensive, the Bay-class or Harpers Ferry-class?
The Harpers Ferry-class is more expensive at approximately $324 million per unit compared to the Bay-class at $189 million.
Which has been built in greater numbers, the Bay-class or Harpers Ferry-class?
Both the Bay-class and Harpers Ferry-class have been built in equal numbers with 4 vessels each.